for(i=-3;i++<38;print(o))for(j=-3,o='';j++<38;)o+=(5<i&i<30&5<j&j<30?i/12&j/12&1?i/4&3|j/4&3?i%4&&j%4:i*j%2:i%6&&j%6:i+2&7&&j+2&7)?' ':'[]'
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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